eat someone alive
吞噬某人，使其徹底失敗或受到嚴厲的批評或懲罰
口語·表示嚴厲批評或徹底擊敗
英文釋義
to criticize or defeat someone harshly and thoroughly
例句
If you mess up that presentation, the boss will eat you alive.
典故來源
源自動物捕食的比喻，20世紀中期用于形容嚴厲批評或徹底擊敗。